<template>
  <el-card>
    <div class="sku-list">
      <el-table border stripe :data="skuList" v-loading="loading">
        <el-table-column type="index" label="序号" width="80" align="center"></el-table-column>

        <el-table-column prop="skuName" label="名称" />

        <el-table-column prop="skuDesc" label="描述" />

        <el-table-column label="默认图片" width="150" align="center">
          <template slot-scope="{ row }">
            <div class="info">
              <div class="pic">
                <img :src="row.skuDefaultImg" alt="商品图片" style="width: 80px" />
              </div>
            </div>
          </template>
        </el-table-column>

        <el-table-column prop="weight" label="重量(KG)" />

        <el-table-column prop="price" label="价格(元)" width="80" />

        <el-table-column label="操作" width="250" align="center">
          <template slot-scope="{ row }">
            <HintButton title="上架" v-if="row.isSale == 0" type="success" size="mini" icon="el-icon-top" @click="onSale(row.id)" />
            <HintButton title="下架" v-if="row.isSale == 1" type="warning" size="mini" icon="el-icon-bottom" @click="cancelSale(row.id)" />

            <HintButton title="修改" type="primary" size="mini" icon="el-icon-edit" @click="toUpdateSku(row.id)" />

            <HintButton title="查看详情" type="primary" size="mini" icon="el-icon-info" @click="showSkuInfo(row.id)" />

            <el-popconfirm :title="`确定删除 ${row.skuName} 吗`" @onConfirm="deleteSku(row.id)">
              <hint-button slot="reference" type="danger" size="mini" icon="el-icon-delete" title="删除"></hint-button>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
      <!--分页-->
      <el-pagination :current-page="page" :total="total" :page-size="limit" :page-sizes="[5, 10, 20, 30, 40, 50]" style="padding: 30px 0; text-align: center" layout="prev, pager, next, jumper, ->, sizes, total" @current-change="getSkuList" @size-change="changeSize" />
      <!--抽屉-->
      <el-drawer style="padding: 5px" title="SKU详情" :visible.sync="isShowSkuInfo" direction="rtl" :with-header="false" size="50%" :before-close="handleClose">
        <el-row>
          <el-col :span="5">名称</el-col>
          <el-col :span="16">{{ skuInfo.skuName }}</el-col>
        </el-row>

        <el-row>
          <el-col :span="5">描述</el-col>
          <el-col :span="16">{{ skuInfo.skuDesc }}</el-col>
        </el-row>

        <el-row>
          <el-col :span="5">价格</el-col>
          <el-col :span="16">{{ skuInfo.price }}元</el-col>
        </el-row>

        <el-row>
          <el-col :span="5">平台属性</el-col>
          <el-col :span="16">
            <el-tag type="success" style="margin-right: 5px" v-for="value in skuInfo.skuAttrValueList" :key="value.id">{{ value.attrId + '-' + value.valueId }}</el-tag>
          </el-col>
        </el-row>

        <el-row>
          <el-col :span="5">销售属性</el-col>
          <el-col :span="16">
            <el-tag type="success" style="margin-right: 5px" v-for="value in skuInfo.skuSaleAttrValueList" :key="value.id">{{ value.id + '-' + value.saleAttrValueId }}</el-tag>
          </el-col>
        </el-row>

        <el-row class="row-images">
          <el-col :span="5">商品图片</el-col>
          <el-col :span="16">
            <!--轮播图的height属性支持,但是width不支持-->
            <el-carousel class="sku-carousel" v-if="skuInfo.skuImageList" trigger="click" :autoplay="false" arrow="always" height="400" style="width: 400px">
              <el-carousel-item v-for="item in skuInfo.skuImageList" :key="item.id">
                <img style="width: 100%; height: 100%" :src="item.imgUrl" alt />
              </el-carousel-item>
            </el-carousel>
          </el-col>
        </el-row>
      </el-drawer>
    </div>
  </el-card>
</template>

<script>
import SkuForm from '../components/SkuForm'
export default {
  name: 'SkuList',
  components: {
    SkuForm
  },
  data() {
    return {
      skuList: [], // SKU列表
      loading: false, // 是否正在加载中
      total: 0, // 数据库中的总记录数
      page: 1, // 默认页码
      limit: 10, // 每页记录数
      skuInfo: {},
      isShowSkuInfo: false
    }
  },
  // 页面加载后的生命周期回调
  mounted() {
    // 获取列表数据
    this.getSkuList()
  },

  methods: {
    handleClose(close) {
      this.skuInfo = {}
      this.isShowSkuInfo = false
    },

    /* 
    显示SKU详情
    */
    async showSkuInfo(id) {
      this.isShowSkuInfo = true
      const result = await this.$API.sku.getSkuInfoById(id)
      this.skuInfo = result.data
    },

    /* 
    当页码发生改变自动调用
    */
    changeSize(size) {
      this.limit = size
      this.getSkuList(1)
    },

    /* 
    异步获取指定页码的sku列表
    */
    async getSkuList(page = 1) {
      this.page = page
      this.loading = true
      const result = await this.$API.sku.getSkuInfoList(this.page, this.limit)
      this.skuList = result.data.records
      this.total = result.data.total
      this.loading = false
    },

    /* 
    对指定SKU进行上架的请求
    */
    onSale(skuId) {
      this.$API.sku.onSale(skuId).then((result) => {
        this.$message({
          type: 'success',
          message: '上架成功!'
        })
        this.getSkuList(this.page)
      })
    },

    /* 
    对指定SKU进行下架的请求
    */
    cancelSale(skuId) {
      this.$API.sku.cancelSale(skuId).then((result) => {
        this.$message({
          type: 'success',
          message: '下架成功!'
        })
        this.getSkuList(this.page)
      })
    },

    /* 
    到SKU的更新界面去
    */
    toUpdateSku(skuId) {
      this.$message.warning('待完成!')
    },

    /* 
    删除SKU
    */
    async deleteSku(skuId) {
      try {
        const result = await this.$API.sku.deleteSkuInfoById(skuId)
        this.$message({
          message: '删除SKU成功',
          type: 'success'
        })
        this.getSkuList(1)
      } catch (error) {
        this.$message({
          message: error.message || '删除SKU失败',
          type: 'error'
        })
      }
    }
  }
}
</script>

<style lang="scss" >
/* 可以影响子组件 */
.sku-list {
  .el-carousel__indicator {
    button {
      border-radius: 50%;
      display: inline-block;
      width: 15px;
      height: 15px;
      background-color: green;
    }
    &.is-active {
      button {
        background-color: hotpink;
      }
    }
  }
}
</style>

<style lang="scss" scoped>
// deep 干嘛的
.sku-list {
  .el-row {
    height: 40px;
    .el-col {
      line-height: 40px;
      &.el-col-5 {
        font-size: 18px;
        font-weight: bold;
        text-align: right;
        margin-right: 20px;
      }
    }
  }

  .sku-carousel {
    width: 400px;
    border: 1px solid red;
    img {
      width: 400px;
      height: 400px;
    }
    // ::v-deep .el-carousel__indicator {
    //   button {
    //     border-radius: 50%;
    //     display: inline-block;
    //     width: 15px;
    //     height: 15px;
    //     background-color: hotpink;
    //   }
    //   &.is-active {
    //     button {
    //       background-color: green;
    //     }
    //   }
    // }
  }
}
</style>